WEATHER in Britain got considerably cooler last week following months of scorching temperatures – but the Met Office has warned that “humid air of tropical origins” could once again hit the UK this weekend.

The Met Office warned an area of low pressure with “tropical origins” is likely to throw a “spanner in the works” and could cause humidity levels to rocket on Saturday.

Met Office Meteorologist Aidan McGivern warned: “This area of low pressure starts to move in for the weekend and a lot of uncertainty wrapped up with this because it’s likely to have tropical origins and that often throws a spanner in the works.

“As it pushes into the jet stream it can throw up some complications. So, it’s likely to bring some rain across mainly central parts of Britain as we start the weekend.

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Before humidity levels soar once again, Britain is expected to be hit with “heavy rain” and “blustery conditions” as an area of low pressure sits over the country.

Unsettled conditions are set to be dragged in from the Atlantic over the coming days by a powerful jet stream wedged across the UK.

The Met Office forecaster said a cold front will eventually make its way south eastwards through Wednesday night.

He said: “Some heavy rain on that weather front with quite blustery conditions on that heavy rain but also to the northwest of it with this low pressure arriving into the west of Scotland and Northern Ireland and the jet stream taking a dip to the south of the UK.

“That means we are going to see cooler and more blustery conditions into the west behind this cold front.

“But it will be, like I say, an active front so some heavy rain on it for the start of Thursday clearing away some time around lunch time East Anglia and the south east and then we will see those showers spreading across many parts.

“And a much cooler air flow with blustery winds across north western areas.”